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- Ordering Info
To view specimen requirements and codes please select your laboratory:
Not sure which laboratory serves your office? Call us 1-866-MYQUEST (1-866-697-8378)
CFTR Intron 8 Poly-T Analysis
For New York patient testing, use test code 14700X
Physician Attestation of Informed Consent
This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, AZ, DE, FL, GA, MA, MN, NV, NH, NJ, NM, NY, OR, SD or VT or test is performed in MA.
5 mL whole blood collected in an EDTA (lavender-top) tube
Whole blood collected in: ACD solution A or B (yellow-top), EDTA (royal blue-top) or sodium heparin (green-top) tube
Please indicate the ethnicity of the patient.
Whole blood: Normal phlebotomy procedure. Specimen stability is crucial. Store and ship ambient immediately. Do not freeze.
Room temperature: 8 days
Refrigerated: 8 days
Multiplex Polymerase Chain Reaction • Next Generation Sequencing
This test was developed and its performance characteristics have been determined by Quest Diagnostics. Performance characteristics refer to the analytical performance of the test.
Quest Diagnostics Nichols Institute
33608 Ortega Highway
San Juan Capistrano, CA 92690-6130
Set up: Tues, Fri; Report Available: 7-18 days
See Laboratory Report
This test is used:
1) To evaluate individuals having phenotypes associated with mild form of cystic fibrosis, CBAVD, idiopathic pancreatitis, bronchiectasis, etc.
2) To confirm a diagnosis of CBAVD in infertile males.
3) To determine the poly T status in individuals positive for the R117H mutation.
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.